<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>

	<body>
		<form action="postData.php" method="post">
			<label for="code">请输入学号<input type="text" name="code"></label>
			<input type="submit" value="提交" />
		</form>
	</body>

</html>